Glossary
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TermDefinition
- General Nautical Terminology, Navigation Mean High Water Springs (MHWS)
A tidal datum representing the average height of the high water level during spring tides over a specific period, typically measured over a...
More Details - General Nautical Terminology Mean Low Water Neaps (MLWN)
Mean Low Water Neaps (MLWN) is a tidal datum representing the average lowest water level during neap tides. Neap tides occur when the...
More Details - General Nautical Terminology MEDILINK
A communication made via radio from a vessel to a shore-based medical facility or professional to seek urgent medical advice or assistance for an...
More Details - General Nautical Terminology Medium Frequency (MF)
The range of radio frequencies between 300 kHz and 3 MHz, commonly used in marine communication and navigation systems.
Medium Frequency (MF)...
More Details - General Nautical Terminology MF
The range of radio frequencies between 300 kHz and 3 MHz, commonly used in marine communication and navigation systems.
Medium Frequency (MF)...
More Details - General Nautical Terminology MHWN
Mean High Water Neaps (MHWN) refers to the average height of the higher of the two daily high tides that occur during neap tides. Neap tides...
More Details - General Nautical Terminology, Navigation MHWS
A tidal datum representing the average height of the high water level during spring tides over a specific period, typically measured over a...
More Details - Phonetic Alphabet, Signals & Communication Mike
Pronounced: MIKE
The term for the letter M in the NATO Phonetic Alphabet.
- General Nautical Terminology MistVisibility reduced to between 0.5 and 2 nautical miles due to suspension of water particles in the air
- General Nautical Terminology Mizzen MastMast aft of the mainmast, on a ship.
- Flag Semaphore, Signals & Communication Letter M (Flag Semaphore)
Flag semaphore indicating the letter M.
- Morse Code, Signals & Communication Letter M (Morse Code)
International Morse Code sequence representing the letter M.
- General Nautical Terminology MLWN
Mean Low Water Neaps (MLWN) is a tidal datum representing the average lowest water level during neap tides. Neap tides occur when the...
More Details - General Nautical Terminology MMSI
Is a 9 digit unique number that is associated with your specific VHF installation, and really like a digital Call Sign. Think of it as a mobile...
More Details - General Nautical Terminology MoleA breakwater made of stone or concrete
- General Nautical Terminology MonohullA vessel with a single hull
- General Nautical Terminology Mooring
Verb: Mooring
Mooring refers to the act of securing a boat or vessel in place using ropes or chains by attaching them to a fixed structure...
More Details - General Nautical Terminology Mooring
Noun: Mooring
A mooring is a permanent structure or anchor point, typically a metal ring or buoy, used to secure a boat or ship in place....
More Details - General Nautical Terminology Mooring BuoyA non-navigational buoy to which a vessel can moor
- General Nautical Terminology Mooring RingA ring on a mooring buoy